Reversible locking-bolt.



G. N. MASON.

REVERSIBLE LOCKING BOLT. APPLICATION FILED JAN, 11, 1912.

1,019,678, Patented Mar. 5, 1912.

9 UNITED STATES PATENT OFFICE.

GEORGE N. MASON, 0F READING, PENNSYLVANIA, ASSIGNOR T0 READING- HARDWARE COMPANY, OF READING, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

REVERSIBLE LOCKING-BOLT.

To all whom it may concern.

Be it known that I, GEORGE N. MASON, citizen of the United States, residing at Reading, in the county of Berks and State of Pennsylvania, have invented certain new and useful Improvements in Reversible Locking-Bolts, of which the following is a specification.

This invention relates to improvements in looking bolts and the object in the present instance is to provide a bolt of the class illustrated, that is, one in which two'bolts are simultaneously moved in opposite directions, with means for reversing the action of the handle, so that the lock may be applied in either right or left hand position.

The principal feature of this device is the simple means for converting the look from right to left hand, or vice versa.

The invention consists, in addition to the usual casing, movable bolts and operating handle, of a pair of rings one of which serves as the means through which the handle moves the bolts and the other a reversible stop ring, capable of being placed in position in the casing in such manner that the bolt moving ring will be operable in either the right or left hand action. The only change necessary to convert the lock from one to the other handle movement is the reversal of this stop ring, all other parts remaining in the same position.

The invention is more fully described in the following specification and clearly illustrated in the accompanying drawing, in which Figure 1 is a plan view, with the back plate removed, showing the bolts in retracted position and set for left hand action. Fig. 2 is a like View with the bolts in projected position, the handle having been moved the entire distance, as indicated .by the arrows. Fig. 3 is a central sectional view on line 3-3 of Fig. 2. Fig. 4 is a View of the inside of the casing with all the parts removed. Fig. 5 is a like view with the stop ring in osition therein, for right hand action. Fig. 6 shows the stop ring in detail and Fig. 7 shows the bolt moving ring-in detail.

The numeral 1 designates the casing and 2 the locking bolts. These bolts are identical in construction, and each is formed at its inner end with a reduced portion 3, al-

Specification of Letters Patent.

Application filed January 11, 1912.

Patented Mar. 5, 1912. Serial No. 670,557.

lowing the ends to lap over each other when moved. These ends are each formed with a lateral groove 1 on the under face and with a semi-circular depression 5 on the inner face of the reduced portion. A lug 6 is also formed on the outer face,near the extremity, which serves as a guide and which contacts with the inner wall of the casing when the bolts are moved.

Immediately beneath the bolt ends is contrally mounted a bolt moving ring 7, which is secured by any suitable means to the operating handle 18 which enters through an opening 8 in the casing and this ring is formed with two diametrically opposite lugs 9, adapted to engage the bolts in the lateral grooves 4;, so that when the ring is turned by the movement of the handle, the bolts will be projected and retracted. The depressions 5 in the bolt ends are intended for clearance, so that when the bolts are retracted as shown in Fig. 1, the lugs 9 will not interfere with the full retraction of the bolts. This bolt moving ring is formed with a peripheral projection 10, located beneath one of the lugs 9 which is adapted to engage a stop to limit the movement of the ring and bolts. The casing is formed with an annular internal ridge l1, surroundin the handle opening and this ridge is formed with two pairs of oppositely disposed slots 12.

The numeral 13 designates the stop ring. This ring fits loosely inside of the ridge 11 and it is formed with two peripheral projections 1 1, which, while at approximately diametrically opposite points, are both on the same side of the imaginary vertical center of the ring, so that when placed in position in the ridge, the stops will enter the slots 12 on the same side of the center. These stops project beyond the outer edge of the ridge and lie normally in line of the projection 10 on the under face of the bolt moving ring, so that, when the handle is turned carrying with it the bolt moving ring, its movement will be limited by contact with these stops. It is evident therefore, that with the parts assembled as shown in Fig. 2, the handle is free to move only as a left hand device, while with the stop ring 13 in reversed position, as shown in Fig. 5, the handle would be free to move only as a right hand device. By means of reversing 1. In a locking bolt a casing, a pair of bolts, a v rotating member, an operating handle, said rotating member having a pair of bolt engaging lugs and a peripheral projection and a reversible stop rmg having radial projections thereon, in combination with a slotted ridge in the casing adapted to so hold said ring as to determine the direction of movement of the operating handle.

2. In a locking bolt a casing, a pair of bolts, means for operating the bolts in unison, a slotted ridge formed in the casing, a reversible stop ring adapted to fit in said slotted ridge so as to determine the direction of movement of the operating means and stops on said ring to limit the movement of the operating means.

3. In a reversible locking bolt comprising a casing, a pair of oppositely movable 4. In a locking bolt, a casing, a pair of bolts, each of which is formed with a reduced inner end, a rotating member, an

operating handle to which said member is secured, said member having a pair of bolt engaging lugs and a peripheral projection, a slotted ridge in the casing, and a reversible stop ring adapted to fit in said slotted ridge so as to determine the direction of movement of the handle, and stops on said ring to limit the movement of said rotating member.

In testimony whereof I afiiX my signature in presence of two witnesses.

GEORGE N. MASON.

Witnesses:

CLARA E. YOUNG, ED. A. KELLY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.

Washington, D. C. 

